牌号 | 化学元素(质量分数)/% | ||||||||||
| C | Si | Mn | Cr | Ni | Mo | Nb | V | P | S | Alt |
12Cr2Mo1R | 0.08-0.15 | ≤0.50 | 0.30-0.60 | 2.00-2.50 | | 0.90-1.10 | | | ≤0.020 | ≤0.010 | |
钢板厚度/mm | 抗拉强度σb(Mpa) | 屈服强度σs(Mpa) | 伸长率A/% | 温度/℃ | 冲击吸收能量KV2/J | 180°弯曲试验 弯曲直径(b≥35mm) |
6-150 | 520-680 | ≥310 | ≥19 | 20 | ≥34 | d=3a |
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